<?php

namespace App\Console\Commands;

use App\Model\Good;
use App\Model\Stock;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;

class SyncStock extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'susan:sync-stock';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Command description';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        //
        Stock::query()->select(['goods_id', DB::raw("SUM(IF ( type = 1, `value`, - `value` )) as stock")])
            ->orderBy('goods_id')
            ->groupBy("goods_id")->chunk(200, function ($data) {
                $update = [];
                foreach ($data as $datum) {
                    $update[] = [
                        'id' => $datum->goods_id,
                        'stock' => $datum->stock
                    ];
                }
                (new Good())->updateBatch($update);
            });
    }
}
